If you’ve been to a house that was recently done up (in a rather fashionable manner) – you might have found a lot of small whitish lights used in places where the conventional bulbs and CFLs used to be. These tiny things are LED (Light Emitting Diodes) a new entrant in the field of home lighting.
LED is a certain type of lighting device which is being increasing used in homes for many reasons. Largely, they are used more for decorative purposes, but their efficiency and long-life as compared to other fluorescent and incandescent lamps have led to LED using lamps to be used as the main source of light in a house.
The main factor working in LED’s favour is its efficiency. Unlike regular bulbs and fluorescent lights, which waste almost 90% of the energy they consume in the form of heat, LED release very little heat, using up most of the energy to produce light. Thus, its input/output ratio is quite high, and typically LED’s last about 20,000 to 35,000 light hours (compared to CFLs which last 15,000-20,000 hours and incandescent bulbs which last about 1000-2000 hours). This makes them an extremely cost-effective option, when compared to other forms of lighting.
To add to this, LED is available in a variety of colours and can be used very effectively for home decor. Also, LED is a point source of light. Which means if LED lighting is recessed into a wall, all the light it emits will go straight ahead into the room? When incandescent bulbs are recessed, only a fraction of the light will actually make it into the room.

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